A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy

Detalhes bibliográficos
Autor(a) principal: Hekmatjou, Hamidreza
Data de Publicação: 2020
Outros Autores: Zeng, Zhi, Shen, Jiajia, Oliveira, João Pedro, Naffakh-Moosavy, Homam
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10362/99915
Resumo: Fundacao para a Ciencia e a Tecnologia (FCT-MCTES): Grant number: UIDB/00667/2020 (UNIDEMI).
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spelling A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloyAA5456Analytical Rosenthal equationLaser weldingMicrostructureNumerical finite-element modelingThermal regimeMaterials Science(all)Fundacao para a Ciencia e a Tecnologia (FCT-MCTES): Grant number: UIDB/00667/2020 (UNIDEMI).The thermal regime and microstructural phenomenon are studied by using finite-element (FE) modelling and the analytical Rosenthal equation during laser welding of aluminum alloy 5456 (AA5456) components. A major goal is to determine the merits and demerits of this analytical equation which can be an alternative to FE analysis, and to evaluate the effect of imperative assumptions on predicted consequences. Using results from the analytical and numerical approaches in conjunction with experiments, different physical features are compared. In this study, the results obtained from experiments in terms of melt pool shapes are compared with the predicted ones achieved from the numerical and analytical approaches in which the FE model is more accurate than the Rosenthal equation in the estimation of the melt pool dimensions. Furthermore, as to the partially melted zones, the estimations achieved from the numerical modeling are more genuine than ones from the analytical equation with regards to the experimental results. At high energy density, near keyhole welding mode, the reported results show that experimental melt widths are supposed to be narrower than the fusion widths estimated by the analytical solution. The primary explanation could be the influence of thermal losses that occurred during convection and radiation, which are neglected in the Rosenthal equation. Additionally, the primary dendrite arm spacing (PDAS) estimated with the numerical modeling and the analytical Rosenthal solution is comparable with the experimental results obtained.DEMI - Departamento de Engenharia Mecânica e IndustrialUNIDEMI - Unidade de Investigação e Desenvolvimento em Engenharia Mecânica e IndustrialRUNHekmatjou, HamidrezaZeng, ZhiShen, JiajiaOliveira, João PedroNaffakh-Moosavy, Homam2020-06-25T00:13:49Z2020-042020-04-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10362/99915eng0379-6779PURE: 18746895https://doi.org/10.3390/met10040436info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-03-11T04:46:38Zoai:run.unl.pt:10362/99915Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:39:17.196729Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy
title A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy
spellingShingle A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy
Hekmatjou, Hamidreza
AA5456
Analytical Rosenthal equation
Laser welding
Microstructure
Numerical finite-element modeling
Thermal regime
Materials Science(all)
title_short A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy
title_full A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy
title_fullStr A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy
title_full_unstemmed A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy
title_sort A comparative study of analytical rosenthal, finite element, and experimental approaches in laser welding of aa5456 alloy
author Hekmatjou, Hamidreza
author_facet Hekmatjou, Hamidreza
Zeng, Zhi
Shen, Jiajia
Oliveira, João Pedro
Naffakh-Moosavy, Homam
author_role author
author2 Zeng, Zhi
Shen, Jiajia
Oliveira, João Pedro
Naffakh-Moosavy, Homam
author2_role author
author
author
author
dc.contributor.none.fl_str_mv DEMI - Departamento de Engenharia Mecânica e Industrial
UNIDEMI - Unidade de Investigação e Desenvolvimento em Engenharia Mecânica e Industrial
RUN
dc.contributor.author.fl_str_mv Hekmatjou, Hamidreza
Zeng, Zhi
Shen, Jiajia
Oliveira, João Pedro
Naffakh-Moosavy, Homam
dc.subject.por.fl_str_mv AA5456
Analytical Rosenthal equation
Laser welding
Microstructure
Numerical finite-element modeling
Thermal regime
Materials Science(all)
topic AA5456
Analytical Rosenthal equation
Laser welding
Microstructure
Numerical finite-element modeling
Thermal regime
Materials Science(all)
description Fundacao para a Ciencia e a Tecnologia (FCT-MCTES): Grant number: UIDB/00667/2020 (UNIDEMI).
publishDate 2020
dc.date.none.fl_str_mv 2020-06-25T00:13:49Z
2020-04
2020-04-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10362/99915
url http://hdl.handle.net/10362/99915
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0379-6779
PURE: 18746895
https://doi.org/10.3390/met10040436
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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